When you install SWX610 (execute setup.exe), the DLL file will be installed in the following location.
\Windows\System32\SWX610_control.dll
or
\Windows\SysWOW64\SWX610_control.dll (when installing 32bit DLL on Windows 64bit OS)
\Windows\System32\SWX610_control.dll
or
\Windows\SysWOW64\SWX610_control.dll (when installing 32bit DLL on Windows 64bit OS)